/**
 * Copyright (C) 2011 Angelo Zerr <angelo.zerr@gmail.com> and Pascal Leclercq <pascal.leclercq@gmail.com>
 *
 * All rights reserved.
 *
 * Permission is hereby granted, free  of charge, to any person obtaining
 * a  copy  of this  software  and  associated  documentation files  (the
 * "Software"), to  deal in  the Software without  restriction, including
 * without limitation  the rights to  use, copy, modify,  merge, publish,
 * distribute,  sublicense, and/or sell  copies of  the Software,  and to
 * permit persons to whom the Software  is furnished to do so, subject to
 * the following conditions:
 *
 * The  above  copyright  notice  and  this permission  notice  shall  be
 * included in all copies or substantial portions of the Software.
 *
 * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
 * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
 * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
package fr.opensagres.xdocreport.document.odt.preprocessor;

import org.xml.sax.SAXException;

import fr.opensagres.xdocreport.document.odt.ODTConstants;
import fr.opensagres.xdocreport.document.preprocessor.sax.BufferedDocument;
import fr.opensagres.xdocreport.document.preprocessor.sax.BufferedDocumentContentHandler;
import fr.opensagres.xdocreport.template.formatter.FieldsMetadata;
import fr.opensagres.xdocreport.template.formatter.IDocumentFormatter;

public class ODTManifestXMLDocumentContentHandler extends
		BufferedDocumentContentHandler<BufferedDocument> implements ODTConstants {

	private static final String ITEM_INFO = "___info";

	protected final IDocumentFormatter formatter;

	public ODTManifestXMLDocumentContentHandler(FieldsMetadata fieldsMetadata,
			IDocumentFormatter formatter) {
		this.formatter = formatter;
	}

	@Override
	public void doEndElement(String uri, String localName, String name)
			throws SAXException {
		if (MANIFEST_ELT.equals(localName)) {
			StringBuilder script = new StringBuilder();
			
			String startIf = formatter.getStartIfDirective(IDocumentFormatter.IMAGE_REGISTRY_KEY);
			script.append(startIf);
			
			// 1) Generate script for dynamic images
			generateScriptsForDynamicImages(script);
			
			script.append(formatter.getEndIfDirective(IDocumentFormatter.IMAGE_REGISTRY_KEY));
			
			getCurrentElement().append(script.toString());
			
			
		}
		super.doEndElement(uri, localName, name);
	}

	private void generateScriptsForDynamicImages(StringBuilder script) {

		String listInfos = formatter.formatAsSimpleField(false,
				IDocumentFormatter.IMAGE_REGISTRY_KEY, "ImageProviderInfos");
		String itemListInfos = formatter.formatAsSimpleField(false, ITEM_INFO);
		
		String startLoop = formatter.getStartLoopDirective(itemListInfos,
				listInfos);

		// 1) Start loop
		script.append(startLoop);

		// <Relationship Id="rId4"
		// Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/image"
		// Target="media/image1.png"/>

		String mediaType = "image/" + formatter.formatAsSimpleField(true, ITEM_INFO,
				"ImageType");
		String fullPath = 
				 formatter
						.formatAsSimpleField(true, ITEM_INFO, "ImageFullPath");
		generateManifestFileEntry(script, mediaType, fullPath);

		// 3) end loop
		script.append(formatter.getEndLoopDirective(itemListInfos));
		
	}

	protected void generateManifestFileEntry(StringBuilder script,
			String mediaType, String fullPath) {

		// <manifest:file-entry manifest:media-type="image/jpeg"
		// manifest:full-path="Pictures/1000000000000754000002868739138F.jpg" />

		script.append("<manifest:file-entry manifest:media-type=\"");
		script.append(mediaType);
		script.append("\" manifest:full-path=\"");
		script.append(fullPath);
		script.append("\" />");
	}
}
